Cul De Sac Item Reliability Table (Full Sample)

Item / Item Content / Range / N / Inter-Rater Agreement / Rater / Mean / (SD) / Frequencies
Kappa/ICC / % agreement
D1 / How close is cul-de-sac or dead-end to participant’s home? / 1-4 / 53 / .891 / 71.7 / Rater 1 / 2.17 / 1.16 / On cul-de-sac: 20
Adjacent: 15
<200 ft: 7
>200 ft: 11
Rater 2 / 2.11 / 1.12 / On cul-de-sac: 21
Adjacent: 14
<200 ft: 9
>200 ft: 9
D1_ dichot / How close is cul-de-sac or dead-end to participant’s home?
Dichotomized / 0-1 / 53 / .748 / 88.7 / Rater 1 / .6604 / .478 / On CdS or adjacent: 35
Other: 18
Rater 2 / .6604 / .478 / On CdS or adjacent: 35
Other: 18
D2 / How big is cul-de-sac at its largest diameter? / 1-4 / 53 / .468 / 68.0 / Rater 1 / 1.96 / .59 / <50 ft: 10
51-100 ft: 35
101–200 ft: 8
>200 ft: 0
Rater 2 / 1.85 / .60 / <50 ft: 14
51-100 ft: 33
101–200 ft: 6
>200 ft: 0
D2_dichot / How big is cul-de-sac at its largest diameter?
Dichotomized / 0-1 / 53 / .573 / 84.9 / Rater 1 / .8113 / .395 / <50 ft: 10
Other: 43
Rater 2 / .7358 / .445 / <50 ft: 14
Other: 39
D3a / What is incline/grade of cul-de-sac at its steepest point? / .3-18.3 / 53 / .681 / n/a / Rater 1 / 3.27 / 3.24 / Continuous response scale
Rater 2 / 3.72 / 2.86
D3a_dichot / What is incline/grade of cul-de-sac at its steepest point?
Dichotomized / 0-1 / 53 / .291 / 86.8 / Rater 1 / .8868 / .320 / 0-6.88: 47
>6.88: 6
Rater 2 / .9057 / .295 / 0-6.88: 48
>6.88: 5
Item / Item Content / Range / N / Inter-Rater Agreement / Rater / Mean / (SD) / Frequencies
Kappa/ICC / % agreement
D5 / For paved part, how smooth is pavement? / 1-4 / 53 / .817 / 83.0 / Rater 1 / 3.53 / .64 / Not: 1
Somewhat: 1
Mostly: 20
Very: 31
Rater 2 / 3.51 / .72 / Not: 2
Somewhat: 1
Mostly: 18
Very: 32
D5_ dichot / For paved part, how smooth is pavement?
Dichotomized / 0-1 / 53 / .726 / 86.8 / Rater 1 / .5849 / .498 / Very:31
Other:22
Rater 2 / .6038 / .494 / Very:32
Other21
D6a / What amenities exist at opening to or in cul-de-sac?
Basketball hoops (number) / 0-1 / 53 / .948 / 98.1 / Rater 1 / .23 / .42 / 0 = 41
1 = 12
Rater 2 / .25 / .43 / 0 = 40
1 = 13
D6b / Skateboard features (number) / 0-1 / 53 / Not calculated only 0 for R2 / 98.1 / Rater 1 / .02 / .14 / 0 = 52
1 = 1
Rater 2 / .00 / .00 / 0 = 53
1 = 0
D6c / Streetlights (number) / 0-3 / 53 / .745 / 79.3 / Rater 1 / .51 / .64 / 0 = 29
1 = 22
2 = 1
3 = 1
Rater 2 / .53 / .64 / 0 = 28
1 = 23
2 = 1
3 = 1
D6d / Pedestrian or other safety signage / 0-1 / 53 / Not calculated, only 0 / 100 / Rater 1 / .00 / .00 / 0 = 53
1 = 0
Rater 2 / .00 / .00 / 0 = 53
1 = 0
D6e1 / Other / 0-1 / 53 / Not calculated only 0 for R2 / 98.1 / Rater 1 / .00 / .00 / 0 = 52
1 = 1
Rater 2 / .00 / .00 / 0 = 53
1 = 0
Item / Item Content / Range / N / Inter-Rater Agreement / Rater / Mean / (SD) / Frequencies
Kappa/ICC / % agreement
D6_ trichot / Total amenities: a + b + c + d + e: 0= 0, 1= 1, >1 = 2
sum trichotomized / 0-2 / 53 / .794 / 81.1 / Rater 1 / .74 / .76 / 0 = 24
1 = 19
2 = 10
Rater 2 / .75 / .78 / 0 = 24
1 = 18
2 = 11
D7 / Can most of the cul-de-sac area be seen from participant’s home? / 0-1 / 53 / .809 / 90.5 / Rater 1 / .57 / .50 / 0=23
1=30
Rater 2 / .55 / .50 / 0=24
1=29
D8 / Can most of the cul-de-sac area be seen from other homes? / 0-1 / 53 / .647 / 96.3 / Rater 1 / .94 / .23 / 0 = 3
1 = 50
Rater 2 / .94 / .23 / 0 = 3
1 = 50
D3a / What is incline/grade of cul-de-sac at its steepest point? / 3-18.3 / 53 / .681 / n/a / Rater 1 / 3.27 / 3.24 / Continuous response
Rater 2 / 3.72 / 2.86 / scale
D3a_dichot / What is incline/grade of cul-de-sac at its steepest point?
Dichotomized / 0-1 / 53 / .291 / 86.8 / Rater 1 / .89 / .32 / 0-6.88: 47
>6.88: 6
Rater 2 / .91 / .29 / 0-6.88: 48
>6.88: 5
D11_recode
*NOTE: Item recoded (0 = 1, 1 = 0) to calculate Overall Score / Is parking allowed in the area? / 0-1 / 53 / Not calculated only 0 for rater 1 / 86.8 / Rater 1 / .00 / .00 / 0 = 53*
1 = 0
Rater 2 / .13 / .34 / 0 = 46*
1 = 7

Items excluded from subscale score:

Item / Item Content / Range / N / Inter-Rater Agreement / Rater / Mean / (SD) / Frequencies
Kappa/ICC / % agreement
D4 / What %age of cul-de-sac is paved? / 1-4 / 53 / .588 / 79.3 / Rater 1 / 3.83 / .51 / <25%: 1
25-50%: 0
51-75%: 6
>75%: 46
Rater 2 / 3.85 / .50 / <25%: 1
25-50%: 0
51-75%: 5
>75%: 47
D9 / Number of driveways that enter into the cul-de-sac / 0-6 / 53 / .911 / 77.4 / Rater 1 / 3.53 / 1.49 / 0 = 2
2 = 15
3 = 8
4 = 10
5 = 15
6 = 3
Rater 2 / 3.58 / 1.50 / 0 = 2
1 = 1
2 = 9
3 = 16
4 = 7
5 = 13
6 = 5
D10 / Is there an island in the cul-de-sac? / 0-1 / 53 / 1.00 / 100 / Rater 1 / .19 / .39 / 0 = 43
1 = 10
Rater 2 / .19 / .39 / 0 = 43
1 = 10
Item / Item Content / Range / N / Inter-Rater Agreement / Rater / Mean / (SD) / Frequencies
Kappa/ICC / % agreement
D12a / Is there access through the end of the cul-de-sac to another public street or area? / 0-1 / 53 / .812 / 96.2 / Rater 1 / .11 / .32 / 0 = 47
1 = 6
Rater 2 / .11 / .32 / 0 = 47
1 = 6
D12b1 / If yes: what type of access?
Formal path / 0 or 1 or -777 / 4/6 / * / * / Rater 1 / * / * / Smaller sample:
0 = 0; 1 = 4
Full sample:
0 = 1; 1 = 5
Rater 2 / * / * / Smaller sample:
0 = 0; 1 = 4
Full sample:
0 = 1; 1 = 5
D12b2 / If yes: what type of access?
Informal path / 0 or 1 or -777 / 4/6 / * / * / Rater 1 / * / * / Smaller sample:
0 = 4; 1 =0
Full sample:
0 = 5; 1 = 1
Rater 2 / * / * / Smaller sample:
0 = 4; 1 =0
Full sample:
0 = 5; 1 = 1
D12b3 / If yes: what type of access?
Informal, no path / 0 or 1 or -777 / 4/6 / * / * / Rater 1 / * / * / Smaller sample:
0 = 4
Full sample:
0 = 6
Rater 2 / * / * / Smaller sample:
0 = 4
Full sample:
0 = 6
*12b: no reliability was calculated because of low numbers (only 6 cases)
Item / Item Content / Range / N / Inter-Rater Agreement / Rater / Mean / (SD) / Frequencies
Kappa/ICC / % agreement
D12c1 / If yes: what is on the
other side?
Another street / 0 or 1 or -777 / 4/6 / * / * / Rater 1 / * / * / Smaller sample:
0 = 3; 1 = 1
Full sample:
0 = 4; 1 = 2
Rater 2 / * / * / Smaller sample:
0 = 3; 1 = 1
Full sample:
0 = 4; 1 = 2
D12c2 / If yes: what is on the
other side?
A recreation or play area / 0 or 1 or -777 / 4/6 / * / * / Rater 1 / * / * / Smaller sample:
0 = 2; 1 = 2
Full sample:
0 = 3; 1 = 3
Rater 2 / * / * / Smaller sample:
0 = 2; 1 = 2
Full sample:
0 = 3; 1 = 3
D12c3 / If yes: what is on the
other side?
Open space / 0 or 1 or -777 / 4/6 / * / * / Rater 1 / * / * / Smaller sample:
0 = 4; 1 = 0
Full sample:
0 = 6; 1 = 0
Rater 2 / * / * / Smaller sample:
0 = 4; 1 = 0
Full sample:
0 = 5; 1 = 1
D12c4 / If yes: what is on the
other side?
Commercial / 0 or 1 or -777 / 4/6 / * / * / Rater 1 / * / * / Smaller sample:
0 = 4; 1 = 0
Full sample:
0 = 6; 1 = 0
Rater 2 / * / * / Smaller sample:
0 = 4; 1 = 0
Full sample:
0 = 6; 1 = 0
D12c5 / If yes: what is on the
other side?
Other / 0 or 1 or -777 / 4/6 / * / * / Rater 1 / * / * / Smaller sample:
0 = 2; 1 = 2
Full sample:
0 = 4; 1 = 2
Rater 2 / * / * / Smaller sample:
0 = 3; 1 = 1
Full sample:
0 = 5; 1 = 1
*12c: no reliability was calculated because of low numbers (only 6 cases)